What absorbs at 468 cm⁻¹ in an FTIR spectrum?
A band near 468 cm⁻¹ can point to several functional groups. Below are the most likely assignments, ranked by how much published evidence supports each — every one traceable to literature (DOI) and cross-validated against our 130,000+ reference spectra and knowledge graph.
Backed by 5 cited sources
Possíveis atribuições de grupos funcionais
| Grupo funcional | Fatos de suporte | Fontes citadas | Maior confiança |
|---|---|---|---|
| Metal oxygen | 4 | 4 | 1,0 |
| Ring structure | 1 | 1 | 1,0 |
A classificação reflete a evidência acumulada da literatura, não uma única regra autoritária. Sempre confirme com o contexto da sua amostra.
Literatura por trás destas atribuições
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Ring structure confiança 1,0
“Fourier transform infra-red (FTIR) analysis cm-1 confirm 3:Ce3+ cm-1 The FTIR spectra of CaSiO phosphor was recorded in the range 400 - 4000 to the functional groups presentintheobtainedsamples,Fig.2.FTIRspectrashowstrongtransmittancepeaksa”
Dhanu 等 - 2020 - Photoluminescence of mixed phase CaSiO3Ce3+ nanop DOI: 10.1016/j.ijleo.2020.165139 -
Metal oxygen confiança 1,0
“The absorption band at N cm-1 468 in all the composites is allocated to bending vibration of Ti-O and Gd-O, Nb-O.”
Effect of Gd and Nb on Dielectric and Magnetic Transition temperature of BaTiO3- Li0.5Fe2.5O4 Composites DOI: 10.1016/j.physb.2019.02.035 -
Metal oxygen confiança 1,0
“The absorption bands in the 709(cid:2)100cm(cid:2)1 region were attributed to the envelope Ce(cid:2)O Y(cid:2)O of the phonon band of the metal oxide or 468cm(cid:2)1 vibrations.”
Jeyanthi 等 - 2013 - STRUCTURAL ANALYSIS OF THE COMBUSTION SYNTHESIZED DOI: 10.1142/S0218625X13500376 -
Metal oxygen confiança 1,0
“[39] reported the FTIR spectrum of CuO cm-1 nanoparticles which showed the peaks around 468, 530 and 590 due the stretching vibrations of Cu-O bond.”
Tuning the morphology of Cr2O3:CuO (50:50) thin films by RF magnetron sputtering for room temperature sensing application DOI: 10.1016/j.apsusc.2018.10.096 -
Metal oxygen confiança 1,0
“In the present study, PW ions seem 40 cm-1 Ce4+ Zr4+ an intense Raman band at 468 to interact with reducible characteristic of Oas well as sites and Ce-O stretching of bulk CeO”
Rao 和 Rajkumar - 2008 - Investigation of 12-tungstophosphoric acid support DOI: 10.1007/s10562-007-9279-2
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